金沙所有登入网址:Why air travel makes deadly disease pandemics less likely

时间：2017-09-06 04:00:14166网络整理admin

Zhang Peng/LightRocket via Getty Images By Clare Wilson It’s what keeps microbiologists awake at night: when the next deadly disease breaks out, modern air travel means it will be halfway round the world before we even notice. Or does it? Mass air travel might instead mean some bad outbreaks are less likely to happen,